Every public data breach

44 disclosed this week · 26,355 on record

TidalHealth Peninsula Regional

Disclosed May 26, 20214,070 affectedConfirmed

Official notice

The covered entity (CE), Tidal Health Peninsula Regional, reported that its business associate (BA) was the victim of a ransomware attack that affected the electronic protected health information (ePHI) of 4,070 individuals. The ePHI involved included names, dates of birth, and prescription information. The CE and BA notified HHS, affected individuals, the media, and provided substitute notice. Complimentary credit monitoring services were provided to affected individuals. In response to the breach, the CE provided the BA with training on HIPAA requirement to protect and secure ePHI.

What is known

People affected4,070 (as reported to HHS)
DisclosedMay 26, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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